Cervix - Cytology
Benign cells / nonneoplastic lesions
Lower uterine segment endometrium



Topic Completed: 1 June 2011

Revised: 20 December 2018, last major update June 2011

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PubMed search: Lower uterine segment endometrium


Marilin Rosa, M.D.
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Cite this page: Rosa M. Lower uterine segment endometrium. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/cervixcytologyloweruterinesegment.html. Accessed August 21st, 2019.
Definition / general
  • Associated with use of endocervical brush (pushed too high into cervical os) and postcone biopsies (Diagn Cytopathol 1995;12:263)
  • May mimic atypical glandular lesions, endometriosis, HSIL or be considered "inconclusive"
  • According to the Bethesda system, does not need to be reported if seen in the absence of exfoliated endometrial cells
Cytology description
  • Large groups with gland openings, branched glands, nuclear palisading within fragments (Am J Clin Pathol 1996;106:511)
  • Often endometrial stroma and smaller fragments that are densely cellular with nuclear palisading
Cytology images

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Various images

Additional references
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